Overview

overview

10

Static

static

10

2024-05-31...er.exe

windows7-x64

9

2024-05-31...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-31_a11090a854ac2ac6283f8380f9b7bfa5_cryptolocker

  • Size

    72KB

  • Sample

    240531-zeywwadd44

  • MD5

    a11090a854ac2ac6283f8380f9b7bfa5

  • SHA1

    84410152f89ef6ca2542c1971a3e2a81920a5f25

  • SHA256

    ba71aa35fac52978fbcb018f2ce9ed96a52b4f0e1e073352e79b3a54fd64a438

  • SHA512

    bd05b3f6d298d3b3970810f182068a07c7ccaa531f70d30f7a58ff4ad40437f1eaf588132e6e481b595facf96c5d7105462b3e26619552153e650fa3a7d50418

  • SSDEEP

    1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs97x/:C4Q2c94OtEvwDpj4H8zM

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-31_a11090a854ac2ac6283f8380f9b7bfa5_cryptolocker

    • Size

      72KB

    • MD5

      a11090a854ac2ac6283f8380f9b7bfa5

    • SHA1

      84410152f89ef6ca2542c1971a3e2a81920a5f25

    • SHA256

      ba71aa35fac52978fbcb018f2ce9ed96a52b4f0e1e073352e79b3a54fd64a438

    • SHA512

      bd05b3f6d298d3b3970810f182068a07c7ccaa531f70d30f7a58ff4ad40437f1eaf588132e6e481b595facf96c5d7105462b3e26619552153e650fa3a7d50418

    • SSDEEP

      1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs97x/:C4Q2c94OtEvwDpj4H8zM

    Score
    9/10
    upx

    • Detection of CryptoLocker Variants

    • Detection of Cryptolocker Samples

    • UPX dump on OEP (original entry point)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks